Solved! Raw footage 2GB, exported file 15GB

Solution: Untick hardware encoding.

Combined and edited 2 clips in a mlt project, and exported with the Youtube present. Now I’ve got a 15GB video instead of 2GB.

How can I decrease the size of the exported video?

If you see the quality percentage, try to to make it below 68%, because human eye can’t see more than 68%, So make it low until you find the quality that you can compromise for. And 100% is lossless, which means it retains the best quality but creates a whopping size, and 100% is way too much for humans to see.

I added some info about the basics of export and compression to the docs

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